Automate The Freight: Amazon Tackles The Last Mile Problem On Wheels

We’ve been occasionally exploring examples of what could be the killer application for self-driving vehicles: autonomous freight deliveries, both long-haul and local, as well as some special use cases. Some, like UAV delivery of blood and medical supplies in Kenya, have taken off and are becoming both profitable and potentially life-saving. Others, like driverless long-haul trucking, made an initial splash but appear to have gone quiet since then. This is to be expected, as the marketplace picks winners and losers in a neverending quest to maximize return on investment. But the whole field seems to have gotten a bit sleepy lately, with no big news of note for quite a while.

That changed last week with Amazon’s announcement of Scout, their autonomous delivery vehicle. Announced first on Amazon’s blog and later picked up by the popular and tech press who repeated the Amazon material almost verbatim, Scout appears at first glance to be a serious attempt by Amazon to own the “last mile” of delivery – the local routes that are currently plied by the likes of UPS, FedEx, and various postal services. Or is it?

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Two Joysticks Talk To FPGA Arcade Game Over A VGA Cable

We really love when hacks of previous hacks show up in the tip line. It shows how the hardware hacking community can be a feedback loop, where one hack begets the next, and so on until great things are everywhere. This hacked joystick port for an FPGA Pac Man game is a perfect example of that creative churn.

The story starts with Pano Man, a version of the venerable arcade game ported to a Pano Logic FPGA thin client by [Skip]. We covered that story when it first came out, and it caught the attention of [Tom Verbeure], particularly the bit in the GitHub readme file which suggested there might be a better way to handle the joystick connections. So [Tom] took up the challenge of using the Extended Display Identification Data (EDID) circuit in the VGA connector to support an Atari 2600 joystick. The EDID system is an I²C bus, so the job needed the right port expander. [Tom] chose the MCP23017, a 16-bit device that would have enough GPIO for dual joysticks and a few extra buttons. Having never designed a PCB before, [Tom] fell down that rabbit hole for a bit, but quickly came up with a working design, and then a better one, and then the final version. The video below shows it in action with Pano Man.

We think the creative loop between [Skip] and [Tom] was great here, and we can’t wait to see who escalates next. And it’s pretty amazing how much IO can be stuffed over two wires if you have the right tools. Check out this VGA sniffing effort to learn more about EDID and I²C.

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Little FPV Bot Keeps It Simple With An ESP32

When it comes to robots, it seems the trend is to make them as complicated as possible – look at anything from Boston Dynamics if you’ve any doubt of that. But there’s plenty to be said for simple robots too, such as this adorable ESP32-driven live-streaming bot.

Now it’s true that [Max.K]’s creation is more remote controlled car than robot, and comparing it to one of the nightmare-fuelling creations of Boston Dynamics is perhaps unfair. But [Max.K]’s new project is itself a simplification and reimagining of his earlier, larger “ZeroBot“. As the name implies, ZeroBot was controlled by a Raspberry Pi Zero, an obvious choice for a mobile platform designed to stream FPV video. The ESP32 bot eschews the Pi platform in favor of, well, an ESP32. To save as much space as possible, [Max.K] did a custom PCB for the microcontroller and its supporting components. The 3D-printed case is nicely designed to hold the board along with two motors, a small VGA camera, and a battery pack. At 160×120 resolution, the video isn’t amazing, but the fact that it can be streamed from the ESP32 at a decent enough framerate to drive the bot using a simple web interface is impressive.

This was a fun project and a very clean, smooth build. We like the lines of this little bot, and wouldn’t mind building one as a quick weekend project ourselves.

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How To Make Bisected Pine Cones Look Great, Step-by-Step

[Black Beard Projects] sealed some pine cones in colored resin, then cut them in half and polished them up. The results look great, but what’s really good about this project is that it clearly demonstrates the necessary steps and techniques from beginning to end. He even employs some homemade equipment, to boot.

Briefly, the process is to first bake the pine cones to remove any moisture. Then they get coated in a heat-activated resin for stabilizing, which is a process that infuses and pre-seals the pine cones for better casting results. The prepped pine cones go into molds, clear resin is mixed with coloring and poured in. The resin cures inside a pressure chamber, which helps ensure that it gets into every nook and cranny while also causing any small air bubbles introduced during mixing and pouring to shrink so small that they can’t really be seen. After that is cutting, then sanding and polishing. It’s an excellent overview of the entire process.

The video (which is embedded below) also has an outstanding depth of information in the details section. Not only is there an overview of the process and links to related information, but there’s a complete time-coded index to every action taken in the entire video. Now that’s some attention to detail.

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New Part Day: Mapping With RealSense Cameras For $200

Robot cars, DIY or otherwise, are hot right now. To do this right, you’re going to need cameras, LIDAR, or some other way of sensing the the world. Intel is again getting into the fray with a RealSense tracking camera for simultaneous localization and mapping for robotics, drone, and augmented reality needs.

The tech specs for the Intel RealSense T265 are impressive for small robotics uses. It includes 6DoF tracking gathered by two cameras, each with a 170° FoV. Connection to a computer is through USB 2.0 or 3.0. If you want to get an idea of how seriously Intel is taking the ‘robotics, and other power- and weight-limited platforms’ market, here’s a sample of what is on the one-page spec sheet: the T265 only uses 1.5 Watts, weighs 55 grams, and is 108 x 25 x 13 mm. There are also two M3 taps spaced 50mm apart on the back, which is an astonishing spec to publish on the product landing page. Simply the fact that the location and dimensions of the mounting holes is so prominent gives you an idea of how seriously Intel is taking robotics and prototyping applications.

This new SLAM camera complements Intel’s other tracking camera offerings, including those we’ve seen at Maker Faires past. It’s a competitor to the new crop of solid state LIDAR modules we’ve seen pop up recently. It’s not a Kinect, but we’re years past using a first-gen Kinect for robotics applications. Now, everything is custom chips and SLAM processing, and the RealSense T265 is the smallest platform to do that now.

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Hackaday Links: February 10, 2019

Last month was NAMM, the National Association of Musical Something that begins with ‘M’, which means we’re synthed and guitarded out for the year. The synth news? Behringer are making cheap reproductions and clones of vintage gear. There’s something you need to know about vintage gear: more than half of everything produced today has a Roland 808 or 909 drum machine (or sample), a 303 bass synth, or a 101 mono synth in it. Put an 808, 909, 303, and 101 on the same table, connected to a mixer, and you can make most of the electronic music from the ’80s and ’90s. And Behringer is cloning these synths. Neat times. But there’s a problem: Roland is trademarking these drum machines and synths, with trademark filings in the US and Germany. These are ‘trade dress’, or basically the beautiful red, orange, yellow, and white buttons of the 808 and the digital cyber silver plastic aesthetic of the 303, but there you go. It’s round one in the Roland v. Behringer match, may the first person to give me an 808, 909, 303, and 101 for a thousand dollars win.

Synths? Sure thing. Here’s a stash of New Old Stock 8580 SID chips, the ‘synth on a chip’ found in the Commodore 64. The price? $50. [ben] bought one of these, and the card that came with it said,  “We purchased these chips in 2006 and they’ve been stored in our climate-controlled storage area ever since. Even still, we found a handful of them that didn’t pass testing. Treat them with care!” Yes, a bunch of SID chips for sale is noteworthy, but at $50 a piece for 1980s technology, can someone explain why a chip fab isn’t cranking these things out? If there’s one ancient piece of silicon where the demand meets what it would cost to spin up the silicon line, the SID is it. Where are the modern reproductions?

Excited about making an electronic badge this year? Seeed is offering badge sponsorships for 2019, with an offer of a 5% discount on PCBA, and a 10% discount if you put the Seeed logo on the board. I might be a little biased, but Seeed is a place where you can just ask, “hey, you guys do clear soldermask?” and they find a way to do it.

The best way to tell if someone is rich isn’t by seeing if they have an i8 parked outside their mansion, or just a piece of junk with an M badge. It isn’t whether or not their filet mignon is wagyu or just Kobe, and it isn’t if they’re cruising the skies in a G650 or just puttering around in a Cessna Citation. No, the best way to tell if someone is rich is to notice their AirPods. Yes, Apple’s wireless headphones (which are actually pretty good!) are the best foundation of a class division these days. The best class signal since private railroad cars now has a problem: people are printing their own AirPods. [Brady32] over on Thingiverse has modeled AirPods, and now the design is being given away for free. The horror. Now anyone can print out their own little bits of white plastic, stick them in their ears, and tell the world, ‘I’m better than you. Don’t bother talking back, because I obviously can’t hear you.’

Raspberry Pi has a store! Yes, everyone’s favorite single board computer now has an ‘experimental space’ in Cambridge’s Grand Arcade. The Beeb is saying this store is ‘bucking the retail trend’, yes, but any retail trend doesn’t really apply here; brands have storefronts, and it’s not about revenue per square foot. Makerbot had a store, and it wasn’t about selling printers. Microsoft has stores. Sony built a mall to advertise the original PlayStation. While the Raspberry Pi brick and mortar store will probably never make any money, it is an indication the Raspberry Pi foundation has built a valuable brand worthy of celebration. Here’s some pics of the store itself.

Did you know Hackaday has a retro edition? It’s true! retro.hackaday.com is a lo-fi version of Hackaday without CSS or Javascript or any other cruft. It’s hand-written HTML (assembled by a script) of the first ten thousand or so Hackaday posts. The idea is that old computers could load the retro site, just to prove they could. [Matthias Koch] has an Atari PC3 — Atari’s PC compatible with an 8088 running at 8Mhz, 640k of RAM and a 20 MB hard drive — and got this thing to pull up the retro site. Good work!

What is the current state of 3D printing? What is the current state of 3D printing videos on YouTube? Oh boy we’re going to find out. [Potent Printables] did an ‘analysis’ of 3D printing videos published to YouTube, and found the category riddled with ‘clickbait’, without giving an operational definition of what ‘clickbait’ actually is, or how it’s different from any other content (because who would make a video that doesn’t have the purpose of attracting viewers) Anyway, there’s a problem with the YouTube algorithm, and 3D printing blogs are copying it, filling the entire hobby with disillusioned beginners, or something. After defining ‘The Most Viewed’ as not being a news or documentary footage (okay, that’s fair), having at least three printing videos, not clickbait, and gives the designer proper attribution, [Potent Printables] found a list filled with [Maker’s Muse], [3D Print Guy] and other channels who do 3D printing work, but don’t put 3D printing in the title. This is great; 3D printing isn’t a fascinating new technology that’s the first step towards Star Trek replicators; we’ve slid down the trough of disillusionment and now 3D printers are just tools. It’s great, and in 2018 things are as they should be.

Make Your Lego Fly

We probably all used to make our Lego fly by throwing it across the room, but Flite Test have come up with a slightly more elegant solution: they converted a Lego quadcopter to fly. They did it by adding a  miniature flight controller, battery and motors/rotors to replace the Lego ones in the Lego City Arctic Air Transport kit. This combination flies surprisingly well, thanks to a thoughtful design that balances the heavier components inside the case.

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